RC Dash
A Clark Construction Company Product
Project focus
Design and build an engaging and
interactive race car obstacle course for
elementary school children using sensors
and other materials
Executive Summary
• Average time: 59 seconds
• Sensor Triggered: 93%
• Flag Raised: 67%
• Course Completed: 100%
• Preferred by Boys
• Total value of game: $168.67
Time
Over 1 min
Under 1 min
Effective Cost of Working Prototype
Materials
Cost
Car
$ 34.72
Arduino
24.95Materials
Actual Bill$of
Amplifier
$ 30.00
NiMH
$ 12.00
Bells and String
$ 6.00
Speakers
$ 2.00
Wood
$ 31.00
Paint
$ 8.00
Brushes
$ 2.00
Binding Agents
$ 3.00
9V Battery
$ 2.00
PVC Pipe
$ 1.00
Flex Sensor
$ 10.00
Plastic in Gears
$ 2.00
Total
$ 168.67
Actual Bill of Materials
Materials
Cost
Car
$ 34.72
Arduino
$ 24.95
Amplifier
$ 30.00
NiMH
$ 12.00
Speakers
$ 2.00
Flex Sensor
$ 10.00
Total
$ 113.67
Final Design – Obstacles
Final Design – Obstacles
Dimensions:
Vary
Final Design – Obstacles
Dimensions:
Length: 2.5 ft
Width: 17 in
Final Design – Obstacles
Dimensions:
Height: 13 in
Width: 21 in
Bells 4 in apart
Final Design – Obstacles
Dimensions:
Max height: 4 in
Length: 5 ft
Final Design – Obstacles
Dimensions:
Middle: 15 in
Ends: 18 in
Length: 2 ft
Final Design – Obstacles
Dimensions:
Height: 6 in
Width: 6 in
Design Requirements
• Must be completed in an average of ½ - 1 ½ minutes
• Must alert player of completion of the course successfully 90% of the time
• Controller, vehicle, and sensor battery must run for 3+ hours
• Game must be able to be completed by children ages 4-12
• Must be able to be set-up and cleaned-up in 10 minutes or less by at most
2 people
• must cost less than $100
• both genders of ages of 4-12 are attracted to the game
Testing Before Clark
Time to Complete Course
Linwood: average of
36.72 seconds
Julia: average of 52.56
seconds
Gate
Set-up/Clean-up
Flag went up fully 60% Time to set up and clean
of the time, half-way
up course was recorded to
40% of the time
be about 9 minutes
Sensor recorded the
gate opening 100% of
the time
Play Test Results
Average Time
Guidance Needed
Obstacles Skipped
Total: 59 seconds
Guidance was need
43.5% of the time
Obstacles were skipped 5.9%
of the time
Kindergarten: 35 seconds
1st Grade: 1 minute
2nd Grade: 1 minute 7 seconds
Play Test Results
• Change Made During Play Test
• Obstacles were moved closer
• Width of the course shortened
• Shortened the length of the course
• Trees were removed from the course
Design Requirements
• Must be completed in an average of ½ - 1 ½ minutes
• Must alert player of completion of the course successfully 90% of the time
• Controller, vehicle, and sensor battery must run for 3+ hours
• Game must be able to be completed by children ages 4-12
• Must be able to be set-up and cleaned-up in 10 minutes or less by at most 2
people
• must cost less than $100
• both genders of ages of 4-12 are attracted to the game
Executive Summary
Time
• Average time: 59 seconds
• Sensor Triggered: 93%
• Flag Raised: 67%
• Course Completed: 100%
• Total value of game: $168.67
Over 1 min
Under 1 min